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Finding the Fourth Proportional to 13,974.93, 20,962.40 and 9,579.06

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Solution

The fourth proportional to 13,974.93, 20,962.40 and 9,579.06 is: 14,368.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,974.93 : 20,962.40 = 9,579.06 : x
  2. Step 2: Convert to fraction form
    13,974.93/20,962.40 = 9,579.06/x
  3. Step 3: Cross multiply
    13,974.93x = 20,962.40 × 9,579.06
  4. Step 4: Simplify right side
    13,974.93x = 200,800,039.45
  5. Step 5: Solve for x
    x = 200,800,039.45/13,974.93
  6. Step 6: Final answer
    x = 14,368.59

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